1977: With a new personal computer this time, a LSI 11, 32K, able to be programmed in fortran, and with the Colorix2 which allowed to show 384 x 256 pixels, in spite of some undesirable graphical "grains", we had the feeling of having reached a great computing power..
Manipulation of 2D (B-Spline) curves and surfaces procured a large joyful space for visual experiments, hundreds of pictures later, one day, we decided to renew with figuration..